20552536965 has 32 divisors (see below), whose sum is σ = 33514588800. Its totient is φ = 10753171200.

The previous prime is 20552536957. The next prime is 20552536969. The reversal of 20552536965 is 56963525502.

It is not a de Polignac number, because 20552536965 - 2³ = 20552536957 is a prime.

It is a super-2 number, since 2×20552536965² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20552536969) 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, 102906 + ... + 227364.

It is an arithmetic number, because the mean of its divisors is an integer number (1047330900).

Almost surely, 2^20552536965 is an apocalyptic number.

It is an amenable number.

20552536965 is a deficient number, since it is larger than the sum of its proper divisors (12962051835).

20552536965 is a wasteful number, since it uses less digits than its factorization.

20552536965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124677.

The product of its (nonzero) digits is 2430000, while the sum is 48.

The spelling of 20552536965 in words is "twenty billion, five hundred fifty-two million, five hundred thirty-six thousand, nine hundred sixty-five".