20103213012044 has 36 divisors (see below), whose sum is σ = 36362193203952. Its totient is φ = 9724657626720.

The previous prime is 20103213011971. The next prime is 20103213012053. The reversal of 20103213012044 is 44021031230102.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13140362 + ... + 14590254.

It is an arithmetic number, because the mean of its divisors is an integer number (1010060922332).

Almost surely, 2^{20103213012044} is an apocalyptic number.

It is an amenable number.

20103213012044 is a deficient number, since it is larger than the sum of its proper divisors (16258980191908).

20103213012044 is a wasteful number, since it uses less digits than its factorization.

20103213012044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453566 (or 1453533 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20103213012044 its reverse (44021031230102), we get a palindrome (64124244242146).

The spelling of 20103213012044 in words is "twenty trillion, one hundred three billion, two hundred thirteen million, twelve thousand, forty-four".