20340554700 has 36 divisors (see below), whose sum is σ = 58852005800. Its totient is φ = 5424147840.

The previous prime is 20340554699. The next prime is 20340554701. The reversal of 20340554700 is 745504302.

It is an interprime number because it is at equal distance from previous prime (20340554699) and next prime (20340554701).

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 (20340554701) 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, 33900625 + ... + 33901224.

Almost surely, 2^20340554700 is an apocalyptic number.

20340554700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20340554700 is an abundant number, since it is smaller than the sum of its proper divisors (38511451100).

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

20340554700 is a wasteful number, since it uses less digits than its factorization.

20340554700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67801866 (or 67801859 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 30.

The spelling of 20340554700 in words is "twenty billion, three hundred forty million, five hundred fifty-four thousand, seven hundred".