20212633042 has 16 divisors (see below), whose sum is σ = 34663511232. Its totient is φ = 8659236240.

The previous prime is 20212633039. The next prime is 20212633087. The reversal of 20212633042 is 24033621202.

It is a junction number, because it is equal to n+sod(n) for n = 20212632998 and 20212633016.

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, 238728 + ... + 312115.

It is an arithmetic number, because the mean of its divisors is an integer number (2166469452).

Almost surely, 2^20212633042 is an apocalyptic number.

20212633042 is a deficient number, since it is larger than the sum of its proper divisors (14450878190).

20212633042 is a wasteful number, since it uses less digits than its factorization.

20212633042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553473.

The product of its (nonzero) digits is 3456, while the sum is 25.

The spelling of 20212633042 in words is "twenty billion, two hundred twelve million, six hundred thirty-three thousand, forty-two".