20442150524 has 6 divisors (see below), whose sum is σ = 35773763424. Its totient is φ = 10221075260.

The previous prime is 20442150499. The next prime is 20442150527. The reversal of 20442150524 is 42505124402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20442150527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2555268812 + ... + 2555268819.

It is an arithmetic number, because the mean of its divisors is an integer number (5962293904).

Almost surely, 2^20442150524 is an apocalyptic number.

It is an amenable number.

20442150524 is a deficient number, since it is larger than the sum of its proper divisors (15331612900).

20442150524 is a wasteful number, since it uses less digits than its factorization.

20442150524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5110537635 (or 5110537633 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 20442150524 its reverse (42505124402), we get a palindrome (62947274926).

The spelling of 20442150524 in words is "twenty billion, four hundred forty-two million, one hundred fifty thousand, five hundred twenty-four".