20135075757474 has 64 divisors (see below), whose sum is σ = 40512539473920. Its totient is φ = 6671397743040.

The previous prime is 20135075757473. The next prime is 20135075757481. The reversal of 20135075757474 is 47475757053102.

It is a super-3 number, since 3×20135075757474³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20135075757473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3151519072 + ... + 3151525460.

It is an arithmetic number, because the mean of its divisors is an integer number (633008429280).

Almost surely, 2^{20135075757474} is an apocalyptic number.

20135075757474 is an abundant number, since it is smaller than the sum of its proper divisors (20377463716446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20135075757474 is a wasteful number, since it uses less digits than its factorization.

20135075757474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9975.

The product of its (nonzero) digits is 28812000, while the sum is 57.

The spelling of 20135075757474 in words is "twenty trillion, one hundred thirty-five billion, seventy-five million, seven hundred fifty-seven thousand, four hundred seventy-four".