20012230988 has 24 divisors (see below), whose sum is σ = 35217253008. Its totient is φ = 9950201856.

The previous prime is 20012230961. The next prime is 20012230991. The reversal of 20012230988 is 88903221002.

It is a super-2 number, since 2×20012230988² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2955695 + ... + 2962457.

It is an arithmetic number, because the mean of its divisors is an integer number (1467385542).

Almost surely, 2^20012230988 is an apocalyptic number.

It is an amenable number.

20012230988 is a deficient number, since it is larger than the sum of its proper divisors (15205022020).

20012230988 is a wasteful number, since it uses less digits than its factorization.

20012230988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10793 (or 10791 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The spelling of 20012230988 in words is "twenty billion, twelve million, two hundred thirty thousand, nine hundred eighty-eight".