20860307090 has 32 divisors (see below), whose sum is σ = 43072197120. Its totient is φ = 7125511104.

The previous prime is 20860307051. The next prime is 20860307101. The reversal of 20860307090 is 9070306802.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 20860307090.

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, 535082 + ... + 572741.

It is an arithmetic number, because the mean of its divisors is an integer number (1346006160).

Almost surely, 2^20860307090 is an apocalyptic number.

20860307090 is an abundant number, since it is smaller than the sum of its proper divisors (22211890030).

20860307090 is a wasteful number, since it uses less digits than its factorization.

20860307090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108106.

The product of its (nonzero) digits is 18144, while the sum is 35.

The spelling of 20860307090 in words is "twenty billion, eight hundred sixty million, three hundred seven thousand, ninety".