20770423410 has 64 divisors (see below), whose sum is σ = 54777803904. Its totient is φ = 4998489600.

The previous prime is 20770423409. The next prime is 20770423417. The reversal of 20770423410 is 1432407702.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (20770423417) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 184501 + ... + 274920.

It is an arithmetic number, because the mean of its divisors is an integer number (855903186).

Almost surely, 2^20770423410 is an apocalyptic number.

20770423410 is an abundant number, since it is smaller than the sum of its proper divisors (34007380494).

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

20770423410 is a wasteful number, since it uses less digits than its factorization.

20770423410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459579.

The product of its (nonzero) digits is 9408, while the sum is 30.

The spelling of 20770423410 in words is "twenty billion, seven hundred seventy million, four hundred twenty-three thousand, four hundred ten".