20000231004 has 48 divisors (see below), whose sum is σ = 50315834240. Its totient is φ = 6146712000.

The previous prime is 20000230981. The next prime is 20000231039. The reversal of 20000231004 is 40013200002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59379 + ... + 208629.

Almost surely, 2^20000231004 is an apocalyptic number.

It is an amenable number.

20000231004 is an abundant number, since it is smaller than the sum of its proper divisors (30315603236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20000231004 is a wasteful number, since it uses less digits than its factorization.

20000231004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150130 (or 150128 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20000231004 its reverse (40013200002), we get a palindrome (60013431006).

The spelling of 20000231004 in words is "twenty billion, two hundred thirty-one thousand, four".