20262266040 has 32 divisors (see below), whose sum is σ = 60786798480. Its totient is φ = 5403270912.

The previous prime is 20262266039. The next prime is 20262266173. The reversal of 20262266040 is 4066226202.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 20262265989 and 20262266007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84425989 + ... + 84426228.

Almost surely, 2^20262266040 is an apocalyptic number.

20262266040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20262266040 is an abundant number, since it is smaller than the sum of its proper divisors (40524532440).

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

20262266040 is a wasteful number, since it uses less digits than its factorization.

20262266040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168852231 (or 168852227 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The spelling of 20262266040 in words is "twenty billion, two hundred sixty-two million, two hundred sixty-six thousand, forty".