20034313217637 has 32 divisors (see below), whose sum is σ = 28798594578432. Its totient is φ = 12355787467584.

The previous prime is 20034313217627. The next prime is 20034313217707. The reversal of 20034313217637 is 73671231343002.

It is not a de Polignac number, because 20034313217637 - 2¹⁶ = 20034313152101 is a prime.

It is a super-2 number, since 2×20034313217637² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20034313217627) 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, 23068743 + ... + 23921444.

It is an arithmetic number, because the mean of its divisors is an integer number (899956080576).

Almost surely, 2^{20034313217637} is an apocalyptic number.

It is an amenable number.

20034313217637 is a deficient number, since it is larger than the sum of its proper divisors (8764281360795).

20034313217637 is a wasteful number, since it uses less digits than its factorization.

20034313217637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46990417.

The product of its (nonzero) digits is 381024, while the sum is 42.

The spelling of 20034313217637 in words is "twenty trillion, thirty-four billion, three hundred thirteen million, two hundred seventeen thousand, six hundred thirty-seven".