1022020151 has 2 divisors, whose sum is σ = 1022020152. Its totient is φ = 1022020150.

The previous prime is 1022020099. The next prime is 1022020159. The reversal of 1022020151 is 1510202201.

It is a strong prime.

It is an emirp because it is prime and its reverse (1510202201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022020151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022020159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511010075 + 511010076.

It is an arithmetic number, because the mean of its divisors is an integer number (511010076).

Almost surely, 2^1022020151 is an apocalyptic number.

1022020151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022020151 is an equidigital number, since it uses as much as digits as its factorization.

1022020151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 1022020151 is about 31969.0498920440. The cubic root of 1022020151 is about 1007.2868235642.

Adding to 1022020151 its reverse (1510202201), we get a palindrome (2532222352).

The spelling of 1022020151 in words is "one billion, twenty-two million, twenty thousand, one hundred fifty-one".