20280597026 has 16 divisors (see below), whose sum is σ = 30989770560. Its totient is φ = 9951799440.

The previous prime is 20280597019. The next prime is 20280597031. The reversal of 20280597026 is 62079508202.

It is a super-2 number, since 2×20280597026² (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 7 ways as a sum of consecutive naturals, for example, 245270 + ... + 317361.

It is an arithmetic number, because the mean of its divisors is an integer number (1936860660).

Almost surely, 2^20280597026 is an apocalyptic number.

20280597026 is a deficient number, since it is larger than the sum of its proper divisors (10709173534).

20280597026 is a wasteful number, since it uses less digits than its factorization.

20280597026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562969.

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 20280597026 in words is "twenty billion, two hundred eighty million, five hundred ninety-seven thousand, twenty-six".