20401884002007 has 12 divisors (see below), whose sum is σ = 29952492725064. Its totient is φ = 13378284591120.

The previous prime is 20401884001979. The next prime is 20401884002029. The reversal of 20401884002007 is 70020048810402.

20401884002007 is a `hidden beast` number, since 2 + 0 + 40 + 1 + 8 + 8 + 400 + 200 + 7 = 666.

It is not a de Polignac number, because 20401884002007 - 2⁴⁰ = 19302372374231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20401884022007) 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, 18580950273 + ... + 18580951370.

It is an arithmetic number, because the mean of its divisors is an integer number (2496041060422).

Almost surely, 2^{20401884002007} is an apocalyptic number.

20401884002007 is a deficient number, since it is larger than the sum of its proper divisors (9550608723057).

20401884002007 is a wasteful number, since it uses less digits than its factorization.

20401884002007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37161901710 (or 37161901707 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The spelling of 20401884002007 in words is "twenty trillion, four hundred one billion, eight hundred eighty-four million, two thousand, seven".