20403231622024 has 64 divisors (see below), whose sum is σ = 40406119084800. Its totient is φ = 9631937116224.

The previous prime is 20403231621991. The next prime is 20403231622061. The reversal of 20403231622024 is 42022613230402.

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, 104704987 + ... + 104899669.

It is an arithmetic number, because the mean of its divisors is an integer number (631345610700).

Almost surely, 2^{20403231622024} is an apocalyptic number.

It is an amenable number.

20403231622024 is a deficient number, since it is larger than the sum of its proper divisors (20002887462776).

20403231622024 is a wasteful number, since it uses less digits than its factorization.

20403231622024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197042 (or 197038 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 20403231622024 its reverse (42022613230402), we get a palindrome (62425844852426).

The spelling of 20403231622024 in words is "twenty trillion, four hundred three billion, two hundred thirty-one million, six hundred twenty-two thousand, twenty-four".