20135037321074 has 32 divisors (see below), whose sum is σ = 33061365447600. Its totient is φ = 9140105318400.

The previous prime is 20135037321053. The next prime is 20135037321103. The reversal of 20135037321074 is 47012373053102.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 3949985326849 + 16185051994225 = 1987457^2 + 4023065^2 .

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, 22476794 + ... + 23355434.

Almost surely, 2^{20135037321074} is an apocalyptic number.

20135037321074 is a deficient number, since it is larger than the sum of its proper divisors (12926328126526).

20135037321074 is a wasteful number, since it uses less digits than its factorization.

20135037321074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893166.

The product of its (nonzero) digits is 105840, while the sum is 38.

The spelling of 20135037321074 in words is "twenty trillion, one hundred thirty-five billion, thirty-seven million, three hundred twenty-one thousand, seventy-four".