20286952090 has 16 divisors (see below), whose sum is σ = 36530987040. Its totient is φ = 8111564560.

The previous prime is 20286952073. The next prime is 20286952097. The reversal of 20286952090 is 9025968202.

It is not an unprimeable number, because it can be changed into a prime (20286952097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375460 + ... + 426079.

It is an arithmetic number, because the mean of its divisors is an integer number (2283186690).

Almost surely, 2^20286952090 is an apocalyptic number.

20286952090 is a deficient number, since it is larger than the sum of its proper divisors (16244034950).

20286952090 is a wasteful number, since it uses less digits than its factorization.

20286952090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804077.

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 20286952090 in words is "twenty billion, two hundred eighty-six million, nine hundred fifty-two thousand, ninety".