20150242004 has 12 divisors (see below), whose sum is σ = 35410468800. Its totient is φ = 10032965208.

The previous prime is 20150241977. The next prime is 20150242031. The reversal of 20150242004 is 40024205102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20150241977) and next prime (20150242031).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10537874 + ... + 10539785.

It is an arithmetic number, because the mean of its divisors is an integer number (2950872400).

Almost surely, 2^20150242004 is an apocalyptic number.

It is an amenable number.

20150242004 is a deficient number, since it is larger than the sum of its proper divisors (15260226796).

20150242004 is a wasteful number, since it uses less digits than its factorization.

20150242004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21077902 (or 21077900 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 20150242004 its reverse (40024205102), we get a palindrome (60174447106).

The spelling of 20150242004 in words is "twenty billion, one hundred fifty million, two hundred forty-two thousand, four".