20215506010 has 32 divisors (see below), whose sum is σ = 41670951552. Its totient is φ = 6916902720.

The previous prime is 20215505971. The next prime is 20215506029. The reversal of 20215506010 is 1060551202.

It is a super-2 number, since 2×20215506010² (a number of 21 digits) contains 22 as substring.

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, 259717 + ... + 328456.

It is an arithmetic number, because the mean of its divisors is an integer number (1302217236).

Almost surely, 2^20215506010 is an apocalyptic number.

20215506010 is an abundant number, since it is smaller than the sum of its proper divisors (21455445542).

20215506010 is a wasteful number, since it uses less digits than its factorization.

20215506010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588678.

The product of its (nonzero) digits is 600, while the sum is 22.

The spelling of 20215506010 in words is "twenty billion, two hundred fifteen million, five hundred six thousand, ten".