20402620410 has 16 divisors (see below), whose sum is σ = 48966289056. Its totient is φ = 5440698768.

The previous prime is 20402620369. The next prime is 20402620439. The reversal of 20402620410 is 1402620402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340043644 + ... + 340043703.

It is an arithmetic number, because the mean of its divisors is an integer number (3060393066).

Almost surely, 2^20402620410 is an apocalyptic number.

20402620410 is an abundant number, since it is smaller than the sum of its proper divisors (28563668646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20402620410 is a wasteful number, since it uses less digits than its factorization.

20402620410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680087357.

The product of its (nonzero) digits is 768, while the sum is 21.

The spelling of 20402620410 in words is "twenty billion, four hundred two million, six hundred twenty thousand, four hundred ten".