20535632261502 has 32 divisors (see below), whose sum is σ = 41182478548992. Its totient is φ = 6826676067744.

The previous prime is 20535632261461. The next prime is 20535632261519. The reversal of 20535632261502 is 20516223653502.

It is a super-2 number, since 2×20535632261502² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102595123 + ... + 102795089.

It is an arithmetic number, because the mean of its divisors is an integer number (1286952454656).

Almost surely, 2^{20535632261502} is an apocalyptic number.

20535632261502 is an abundant number, since it is smaller than the sum of its proper divisors (20646846287490).

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

20535632261502 is a wasteful number, since it uses less digits than its factorization.

20535632261502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246232.

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 20535632261502 in words is "twenty trillion, five hundred thirty-five billion, six hundred thirty-two million, two hundred sixty-one thousand, five hundred two".