20460526477 has 8 divisors (see below), whose sum is σ = 21677905152. Its totient is φ = 19244683200.

The previous prime is 20460526451. The next prime is 20460526481. The reversal of 20460526477 is 77462506402.

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

It is a cyclic number.

It is not a de Polignac number, because 20460526477 - 2²³ = 20452137869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20460524477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356349 + ... + 409762.

It is an arithmetic number, because the mean of its divisors is an integer number (2709738144).

Almost surely, 2^20460526477 is an apocalyptic number.

It is an amenable number.

20460526477 is a deficient number, since it is larger than the sum of its proper divisors (1217378675).

20460526477 is a wasteful number, since it uses less digits than its factorization.

20460526477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767699.

The product of its (nonzero) digits is 564480, while the sum is 43.

The spelling of 20460526477 in words is "twenty billion, four hundred sixty million, five hundred twenty-six thousand, four hundred seventy-seven".