20962550363 has 4 divisors (see below), whose sum is σ = 20978941440. Its totient is φ = 20946159288.

The previous prime is 20962550333. The next prime is 20962550369. The reversal of 20962550363 is 36305526902.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20962550363 - 2²² = 20958356059 is a prime.

It is a super-2 number, since 2×20962550363² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20962550363.

It is not an unprimeable number, because it can be changed into a prime (20962550369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8193620 + ... + 8196177.

It is an arithmetic number, because the mean of its divisors is an integer number (5244735360).

Almost surely, 2^20962550363 is an apocalyptic number.

20962550363 is a deficient number, since it is larger than the sum of its proper divisors (16391077).

20962550363 is a wasteful number, since it uses less digits than its factorization.

20962550363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16391076.

The product of its (nonzero) digits is 291600, while the sum is 41.

The spelling of 20962550363 in words is "twenty billion, nine hundred sixty-two million, five hundred fifty thousand, three hundred sixty-three".