20040311152 has 20 divisors (see below), whose sum is σ = 38851872696. Its totient is φ = 10014021440.

The previous prime is 20040311141. The next prime is 20040311167. The reversal of 20040311152 is 25111304002.

It is a super-2 number, since 2×20040311152² (a number of 21 digits) contains 22 as substring.

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, 356374 + ... + 408757.

Almost surely, 2^20040311152 is an apocalyptic number.

It is an amenable number.

20040311152 is a deficient number, since it is larger than the sum of its proper divisors (18811561544).

20040311152 is a wasteful number, since it uses less digits than its factorization.

20040311152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766776 (or 766770 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 20040311152 its reverse (25111304002), we get a palindrome (45151615154).

The spelling of 20040311152 in words is "twenty billion, forty million, three hundred eleven thousand, one hundred fifty-two".