20402632467 has 48 divisors (see below), whose sum is σ = 36091560960. Its totient is φ = 10840594176.

The previous prime is 20402632451. The next prime is 20402632469. The reversal of 20402632467 is 76423620402.

20402632467 is a `hidden beast` number, since 2 + 0 + 402 + 6 + 3 + 246 + 7 = 666.

It is not a de Polignac number, because 20402632467 - 2⁴ = 20402632451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20402632469) 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, 25867 + ... + 203652.

It is an arithmetic number, because the mean of its divisors is an integer number (751907520).

Almost surely, 2^20402632467 is an apocalyptic number.

20402632467 is a deficient number, since it is larger than the sum of its proper divisors (15688928493).

20402632467 is a wasteful number, since it uses less digits than its factorization.

20402632467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229632 (or 229629 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 36.

The spelling of 20402632467 in words is "twenty billion, four hundred two million, six hundred thirty-two thousand, four hundred sixty-seven".