20631053662 has 8 divisors (see below), whose sum is σ = 31338309600. Its totient is φ = 10184950464.

The previous prime is 20631053633. The next prime is 20631053699. The reversal of 20631053662 is 26635013602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20631053662² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65287987 + ... + 65288302.

It is an arithmetic number, because the mean of its divisors is an integer number (3917288700).

Almost surely, 2^20631053662 is an apocalyptic number.

20631053662 is a deficient number, since it is larger than the sum of its proper divisors (10707255938).

20631053662 is a wasteful number, since it uses less digits than its factorization.

20631053662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130576370.

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 20631053662 in words is "twenty billion, six hundred thirty-one million, fifty-three thousand, six hundred sixty-two".