20621206292067 has 12 divisors (see below), whose sum is σ = 29788675633080. Its totient is φ = 13746322199808.

The previous prime is 20621206291901. The next prime is 20621206292077. The reversal of 20621206292067 is 76029260212602.

20621206292067 is a `hidden beast` number, since 2 + 0 + 6 + 2 + 12 + 0 + 629 + 2 + 0 + 6 + 7 = 666.

It is not a de Polignac number, because 20621206292067 - 2²³ = 20621197903459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20621206292077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95608093 + ... + 95823534.

It is an arithmetic number, because the mean of its divisors is an integer number (2482389636090).

Almost surely, 2^{20621206292067} is an apocalyptic number.

20621206292067 is a deficient number, since it is larger than the sum of its proper divisors (9167469341013).

20621206292067 is a wasteful number, since it uses less digits than its factorization.

20621206292067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191443602 (or 191443599 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 20621206292067 in words is "twenty trillion, six hundred twenty-one billion, two hundred six million, two hundred ninety-two thousand, sixty-seven".