20266669962 has 96 divisors (see below), whose sum is σ = 56774075904. Its totient is φ = 5264060400.

The previous prime is 20266669939. The next prime is 20266669967. The reversal of 20266669962 is 26996666202.

It is a super-2 number, since 2×20266669962² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 20266669899 and 20266669908.

It is not an unprimeable number, because it can be changed into a prime (20266669967) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 233364 + ... + 308207.

It is an arithmetic number, because the mean of its divisors is an integer number (591396624).

Almost surely, 2^20266669962 is an apocalyptic number.

20266669962 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20266669962 is an abundant number, since it is smaller than the sum of its proper divisors (36507405942).

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

20266669962 is a wasteful number, since it uses less digits than its factorization.

20266669962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541606 (or 541594 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 54.

The spelling of 20266669962 in words is "twenty billion, two hundred sixty-six million, six hundred sixty-nine thousand, nine hundred sixty-two".